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Association between polymorphisms in PRNCR1 and risk of colorectal cancer in the Saudi population.


ABSTRACT: LncRNA Prostate cancer non-coding RNA (PRNCR1) is downregulated in many types of cancer. The current case-control study was performed on 144 patients with colorectal cancer and 130 matching controls. Genotyping was performed using TaqMan assays for four Single Nucleotide Polymorphisms (SNPs) in PRNCR1. RNAsnp Web Server was used to detect variations in the secondary structure for each SNP. The genotyping analysis for SNP rs1456315 showed increased association with colorectal cancer with the homozygous CC variant allele (OR: 2.09; ?2 = 4.95; CI: 1.08-4.02; p = 0.02), the minor allele frequency, and additive genotype, respectively (OR: 1.55; ?2 = 6.24; CI: 1.09-2.19; p = 0.01) & (OR: 1.64; ?2 = 4.04; CI: 1.01-2.67; p = 0.04). A risk association was also observed among younger age patients (?57) and in female patients as well as in patients with tumors of the colon. For the other SNPs tested (rs16901946, rs13252298, rs1016343), no significant association was observed. The secondary structure of the rs1456315 mutant is different from that of the wild-type. Our findings suggest that the upregulation of PRNCR1 and its variants is associated with increased risk of colorectal cancer in Saudi patients, indicating that PRNCR1 might be a unique and valuable signature for predicting the risk of colorectal cancer in a Saudi population.

SUBMITTER: AlMutairi M 

PROVIDER: S-EPMC6728072 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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LncRNA Prostate cancer non-coding RNA (PRNCR1) is downregulated in many types of cancer. The current case-control study was performed on 144 patients with colorectal cancer and 130 matching controls. Genotyping was performed using TaqMan assays for four Single Nucleotide Polymorphisms (SNPs) in PRNCR1. RNAsnp Web Server was used to detect variations in the secondary structure for each SNP. The genotyping analysis for SNP rs1456315 showed increased association with colorectal cancer with the homo  ...[more]

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